Joseph beverley fenby



(No Model.)

J. B. F'ENBY. APPARATUS FOR SUPPLYING OILTO LAMPS. No. 425,666. Patented Apr. 15, 1890.

THE NORRIS Parana 00., micro-mum, wumnmcn, a. a.

UNITED STATES PATENT OFFICE.

JOSEPH BEVERLEY FENBY, OF SUTTON COLDFIELD, COUNTY OF W'ARYVIOK,

ENGLAND.

APPARATUS FOR SUPPLYING OIL TO LAMPS.

SPECIFICATION forming part of Letters Patent No. 425,666, dated April 15, 1890.

Application filed May 4, 1889. Serial No. 309,660. (No model.) Patented in England May 24, 1888, No. 7,616. and August 28, 1888, No. 12,345 in Belgium April 11,1889, No. 85,797; in France April 11, 1889, No. 197,403; in GermanyApril 12,1889, No. 49,715; in Victoria May 13, 1889,11'0. 6,747; in South Australia May 16, 1889, No. 1,305; in New South Wales May 16, 1889,1lo. 1,423; in Queensland May 23, 1889,1lo. 749; in Spain June 25, 1889,11'0. 9,502; in India July11. 3l,1889,No. 125; in Italy July 16, 1889,L, 112, and in Austria-Hungary September 27,1889, No. 17,243 and No. 31,891.

To all whom it may concern.-

Be it knownthat I, JOSEPH BEVERLEY FENBY, a citizen of England, residing at Sutton Coldfield, in the county of \Varwick, Eng- 5 land, have invented a new and useful Appa ratus for Supplying Oil to Lamps at Different Levels, (for which I have obtained Letters Patent in Great Britain, dated May 24, 1888, No. 7,616, and August 28, 1888, No.12,345; in

Belgium, dated April 11, 1889, No. 85,797; in France, dated April 11, 1889, No. 197,403; in Germany, dated April 12, 1889, No. 49,715; in Spain, dated June 25, 1889, No, 9,502; in Italy, dated July 16, 1889, Vol. L, No. 112; in Austria-Hungary, dated September 27, 1889, No. 17,243 and No. 31,391; in India, dated July 11/31, 1889, No. 125; in Victoria, dated May 13, 1889, No. 6,747 in South Australia, dated May 16, 1889, No. 1,305; in New South Wales,

' dated May 16, 1889, No.1,423, and in Queensland, dated May 23 and September 18, 1889,

No. 749,) of which the following is a specification.

In an application for patent of even date 2 5 herewith, Serial No. 309,068, I describe a method'of supplying oil to lamps at different levels, whether these be public lamps in various quarters of a town or lamps for lighting or heating in apartments on the various floors 0 of a house or other building. In carrying out such a system it is necessary in the first place to have the oil supplied under sufficient pressure to command the highest level where it is to be consumed, this pressure being obtained either by drawing the oil from an elevated cistern or by forcing the oil up a supply-pipe by water-pressure, air-pressure, pumping, or

other means. Between the oil-supply pipe and the lamps in which the oil is consumed 0 I interpose a liquid-pressure regulator, which is the subject of my present invention, and

which consists of an oil-vessel having in it a cup or basin containing mercury, in which is immersed the open end of the oil-pipe, the

depth of its immersion being so adjusted that the oil passes from the pipe up through the mercury only when the oil in the vessel is below its normal level. In this way the oil is maintained at a constant level in the vessel and in the lamps which are directly supplied from it. There may be such a regulator for every separate lamp, or one regulator may be applied to a number of lamps which are all on the same level. The immersion of the oilpipe in the mercury is adjusted automatically by means of a float on the oil,which increases the immersion when the level of the oil rises in the vessel and lessens the immersion when the level sinks. Although I have mentioned mercury as the liquid employed in the pressureregulators, obviously other liquids heavier than oilv might be employed, mercury being most convenient on account of the moderate depth occupied by a column of it sufficient to balance that of the oil.

Such being the general character of my invention, I shall describe the apparatus which I employ for carrying it out in practice, referring to the accompanying drawings.

Figure 1 is a diagram illustrating the means of supplying a number of lamps at two difierent levels, which may be different floors of a building. Fig. 2 is a section of one form of self-adjusting regulator, such as is indicated at R in Fig. 1. Fig. 3 is a section of a modified form of regulator, such as is indicated at R in Fig. 1.

Referring first to Fig.1, A is the main pipe for supplying oil either from a reservoir above or from a reservoir below, from which it is forced up. The oil issues from the pipe A into the regulator R which is shown in detail by Fig. 3. In this regulator the oil is maintained at the proper level for the lamps L of the uppermost row, which all communicate with the oil-vessel of the regulator R by a pipe B. From the oilvessel of the regulator R a pipe D descends to a regulator R such as is shown in detail by Fig. 2-and this determines the level of oil in the lamps L.

Although in Fig. 1 I have shown the regulators R R as being employed in particular places, this is only by way of illustration, as either of these regulators may be used in any part of the system.

In Fig. 2 the oil-vessel E has within it the mercury-vessel M, suspended from the lever of a fioat N. According as the level of the oil in E rises or sinks, raising or lowering the float N, the mercury-cup M is raised or lowered, giving to the end of the oil-pipe D greater or less immersion in the mercury.

In Fig. 3 the lever of the float N has suspended from it a displacing-plunger P,which, on being lowered or raised, by the action of the float, raises or lowers the level of the mercury in the vessel M, thereby giving to the end of the oil-pipe A greater or less immers1on.

Having thus described the nature of my invention and the best means I know for carrying the same into practical efiect, I claim- In an apparatus for regulating the oil-supply to a lamp, the combination of an oil-reservoir, a mercury-vessel located within the oil-reservoir and through which mercury the oil passes upward when the oil in the reservoir is below its normal level, an oil-supply pipe having an open lower extremity immersed in the mercury, and a float buoyed by the oil in the reservoir and operating to adjustthe depth of immersion of said lower open end of the oil-supply pipe in the mercury to govern the flow of oil upward through the latter into the oil-reservoir, substantially as described.

In testimony whereof I have'signed my name to this specification, in the presence of two subscribing witnesses, this 12th day of April, A. D. 1889.

J. BEVERLEY FENBY.

Witnesses:

OLIVER IMRAY, Patent Agent, 28 Southampton Buzlclings,

London, W C.

JNO. P. M. MILLARD, Clerk to llfessrs. Abel dc Imrag, Consulting Engineers and Patent Agents, 28 South: 'ampton Buildings, London, IV. C. 

